package com.yupi.yupicturebackend.manager;

import cn.hutool.core.io.FileUtil;
import com.qcloud.cos.COSClient;
import com.qcloud.cos.model.COSObject;
import com.qcloud.cos.model.GetObjectRequest;
import com.qcloud.cos.model.PutObjectRequest;
import com.qcloud.cos.model.PutObjectResult;

import com.qcloud.cos.model.ciModel.persistence.PicOperations;
import com.yupi.yupicturebackend.config.CosClientConfig;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.io.File;
import java.util.ArrayList;
import java.util.List;

@Component
public class CosManager {


    @Resource
    private CosClientConfig cosClientConfig;

    @Resource
    private COSClient cosClient;

    //上传对象
    public PutObjectResult putObject(String key, File file) {
        PutObjectRequest putObjectRequest = new PutObjectRequest(cosClientConfig.getBucket(),key,file);
        return cosClient.putObject(putObjectRequest);
    }

    //下载对象
    public COSObject getObject(String key) {
        GetObjectRequest getObjectRequest = new GetObjectRequest(cosClientConfig.getBucket(), key);
        return cosClient.getObject(getObjectRequest);
    }

    //上传对象
    public PutObjectResult putPictureObject(String key, File file) {
        PutObjectRequest putObjectRequest = new PutObjectRequest(cosClientConfig.getBucket(), key, file);

        //对图片进行处理（获取基本信息也被视作为一种图片的处理)
        PicOperations picOperations = new PicOperations();
        //1表示返回原图信息
        picOperations.setIsPicInfo(1);
        List<PicOperations.Rule> rules = new ArrayList<>();

        //图片压缩（转换为webp格式）
        String webKey = FileUtil.mainName(key) + ".webp";
        PicOperations.Rule compressRule = new PicOperations.Rule();
        compressRule.setFileId(webKey);
        compressRule.setBucket(cosClientConfig.getBucket());
        compressRule.setRule("imageMogr2/format/webp");
        rules.add(compressRule);

//        缩略图处理
//        PicOperations.Rule thumbnailRule=new PicOperations.Rule();
//        thumbnailRule.setBucket(cosClientConfig.getBucket());
//        String thumbnailKey=FileUtil.mainName(key)+"_thumbnail."+FileUtil.getSuffix(key);
//        thumbnailRule.setFileId(thumbnailKey);

        //缩略图处理 仅对？20kb的图片生效
        PicOperations.Rule thumbnailRule = null;
        if (file.length() > 2 * 1024) {
            thumbnailRule = new PicOperations.Rule();
            thumbnailRule.setBucket(cosClientConfig.getBucket());
            String thumbnailKey = FileUtil.mainName(key) + "_thumbnail." + FileUtil.getSuffix(key);
            thumbnailRule.setFileId(thumbnailKey);

            thumbnailRule.setRule(String.format("imageMogr2/thumbnail/%sx%s", 128, 128));
            rules.add(thumbnailRule);
        }

        //缩放规则
//        thumbnailRule.setRule(String.format("imageMogr2/thumbnail/%sx%s", 128, 128));
//        rules.add(thumbnailRule);

        //构造处理参数
        picOperations.setRules(rules);
        putObjectRequest.setPicOperations(picOperations);
        return cosClient.putObject(putObjectRequest);

    }


    //删除策略 文件
    public void deleteObject(String key) {
        cosClient.deleteObject(cosClientConfig.getBucket(), key);
    }

}
